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RFC 9716: Mechanisms for MPLS Ping and Traceroute Procedures in Inter-Domain Segment Routing Networks

In plain English — editorial summary, not part of the RFC

The Segment Routing (SR) architecture leverages source routing and can be directly applied to the use of an MPLS data plane. A Segment Routing over MPLS (SR-MPLS) network may consist of multiple IGP domains or multiple Autonomous Systems (ASes) under the control of the same organization. It is useful to have the Label Switched Path (LSP) ping and traceroute procedures when an SR end-to-end path traverses multiple ASes or IGP domains. This document outlines mechanisms to enable efficient LSP ping and traceroute procedures in inter-AS and inter-domain SR-MPLS networks. This is achieved through a straightforward extension to the Operations, Administration, and Maintenance (OAM) protocol, relying solely on data plane forwarding for handling echo replies on transit nodes.

Document record

Document ID
RFC9716
Published
February 2025
Authors
S. Hegde; K. Arora; M. Srivastava; S. Ninan; N. Kumar
Status
PROPOSED STANDARD
Stream
IETF
Area
rtg
Pages
22
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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